Find the product and simplify.
? 
A. 
B. 
C. 
D. 12z
Answer: D
Mathematics
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Find the nth term of the geometric sequence with the given values.3, -9k, 27k2, . . . ; n = 5
A. -729k5 B. 243k5 C. -729k4 D. 243k4
Mathematics
Check to see if the given number is a solution for the equation.x3 + 7x2 = - 8(x2 + 7x); check x = -8
A. -8 is not a solution. B. -8 is a solution.
Mathematics
Multiply. Write the answer in simplest form.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.If tan ? = x + 1 and tan ? = x - 1, show that cot(? + ?) = 
What will be an ideal response?
Mathematics